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Job Description

Date: Nov 5, 2018

Implementation and virtualization of IoT baseband functions

Master Thesis project at Ericsson Research, Kista

Description of the unit

This project will be hosted in Ericsson Research and co-supervised by Ericsson Research and RISE SICS. The group in Ericsson Research is specialized in radio processing, RAN design and architecture. The group in RISE SICS focuses on research on the Internet of Things.

Thesis Description

Radio Access Network (RAN) virtualization is a concept that focus on moving telecommunication functions from hardware to software in order to decrease cost and improve scalability of the network. The low data rates and relatively low latency requirements of IoT communication stacks makes it suitable for virtualizing and cloudifying also lower stack functionality, such as the baseband, that is difficult to realize for high performance telecommunication standards such as 5G.

Currently, an SDR (software defined radio) based testbed has been built. We have partly NB-IoT baseband functions implemented with container-based virtualization. Next step is to further improve and develop NB-IoT baseband stacks on the testbed. For example, one focus is on implementation and verification of uplink transceiver algorithms on both network and UE sides. The announced thesis will build on this testbed and use GNU Radio to develop the NB-IoT baseband functions.

You will be required to:

Study NB-IoT standards and transceiver algorithms (especially uplink)

Implement and evaluate transceiver algorithms on the testbed

Perform lab measurements with the testbeds

Document the results as a thesis document as well as documenting implementation and usage description of the system

Competence

We are looking for a student with good programming skills in Linux and understanding in telecommunications. Experience with GNU-radio, IoT and SDR is a great merit. Good skills in spoken and written English is a must.

Application

Applications should include a brief personal letter, CV, and recent grades (transcripts). Relevant experience is highly valued so please list projects and programming tasks that you consider relevant for the position. Candidates are encouraged to send in their application as soon as possible. Suitable applicants will be interviewed as applications are received.

The work is expected to start in January/February 2019. The work is proposed for one student for a duration of 6 months. Location is at Ericsson in Stockholm, Sweden. For informal queries, feel free to email Chenguang Lu at chenguang.lu@ericsson.com.

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